Quality And Corrosion Resistant: These Pop Up Sink Stopper Parts Are Made Of Quality Brass, Sturdy And Corrosion Resistant, Not Easy To Rust And Reliable To Use, Which Will Provide You With A Long Service Life And You You Can Use Them With Confidence Widely Applicable: As A Replacement Part, The Pop-Up Bathtub Stopper Can Be Widely Applied To Most Sinks, Basins And Bathtubs, Which Will Bring You A Pleasant Experience In Your Daily Life, Solving Many Problems Beautiful Spring Design: With Spring Mechanism And Threaded Spring Spring, The Pop-Up Sink Stoppers Can Work Well, And The Water Will Come Down Quickly By Gently Pressing The Stoppers, Which Will Bring You A Pretty Convenience Size Details: The Open Height Of The Basin Stopper Is Approx. 37.5 Mm/ 1.48 Inch, Closed Height Measures Approx. 28 Mm/ 1.1 Inch And The Overall Height Is About 54.7 Mm/ 2.15 Inch; And It Has M8 Top Screw And M16 Bottom Screw; Please Check The Size Before Purchasing Easy To Install: The Click Clack Plug Is Easy To Install; Many Installation Videos Are Available On The Website Installation Reference, Which Will Save Your Time And Effort